Schumacher MT146 12V 10A Battery Charger

User Manual - Page 7

For MT146.

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7
7. FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE
WARNING: A SPARK NEAR THE
BATTERY MAY CAUSE A BATTERY
EXPLOSION. TO REDUCE THE RISK
OF A SPARK NEAR THE BATTERY:
7.1 Check polarity of battery posts. POSITIVE
(POS, P, +) battery post usually has a larger
diameter than NEGATIVE (NEG, N, –) post.
7.2 Attach at least a 24-inch-long 6-gauge
(AWG) insulated battery cable to
NEGATIVE (NEG, N, –) battery post.
7.3 Connect POSITIVE (RED) charger clip to
POSITIVE (POS, P, +) post of battery.
7.4 Position yourself and free end of cable as
far away from battery as possible – then
connect NEGATIVE (BLACK) charger clip
to free end of cable.
7.5 Do not face battery when making nal
connection.
7.6 When disconnecting charger, always do
so in reverse sequence of connecting
procedure and break rst connection while
as far away from battery as practical.
7.7 A marine (boat) battery must be removed
and charged on shore. To charge it on
board requires equipment specially
designed for marine use.
8. GROUNDING AND AC POWER CORD CONNECTIONS
8.1 This battery charger is for use on a
nominal 120 volt circuit. The plug must
be plugged into an outlet that is properly
installed and grounded in accordance with
all local codes and ordinances. The plug
pins must t the receptacle (outlet). Do not
use with an ungrounded system.
8.2 DANGER: Never alter the AC cord or
plug provided – if it does not t the outlet,
have a proper grounded outlet installed
by a qualied electrician. An improper
connection can result in a risk of an electric
shock or electrocution.
8.3 USING AN EXTENSION CORD
The use of an extension cord is not
recommended. If you must use an
extension cord, follow these guidelines:
Pins on plug of extension cord must be
the same number, size, and shape as
those of plug on charger.
Ensure that the extension cord is properly
wired and in good electrical condition.
Wire size must be large enough for the AC
ampere rating of charger, as specied:
Length of cord (feet) 25 50 100 150
AWG* size of cord 18 18 16 14
*AWG-American Wire Gauge
9. ASSEMBLY INSTRUCTIONS
9.1 Remove all cord wraps and uncoil the cables prior to using the battery charger.
10. CONTROL PANEL
START/STOP BUTTON
Press to immediately begin charging your
properly connected battery. If the button is
not pressed, charging should begin in ten
minutes.
LED INDICATORS
POWER (green) LED lit: The charger
is connected to an AC outlet.
BAD BATTERY (red) LED lit:
The charger has detected a problem
with the battery. See Troubleshooting
for more information.
CLAMPS REVERSED (red) LED
ashing: The connections are
reversed.
CHARGING (yellow/orange) LED lit:
The charger is charging the battery.
CHARGED/MAINTAINING (green)
LED solid: The battery is fully charged
and the charger is in maintain mode.
NOTE: See Operating Instructions for a
complete description of the charger modes.
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